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27 February 2019
Old stone walls record history of Earth’s magnetic wanderings
Some of the remnant walls snaking through the forests of New York and New England from long-abandoned early American farms can be used as references to deduce the position of Earth’s magnetic field in previous centuries.
21 December 2010
New York state’s hidden secret: A subterranean impact crater
I’ve heard of stealth bombers and stealthy ninjas and even a super-sneaky magnitude 8 earthquake, but until today I hadn’t heard about stealth craters: large features, more than three kilometers across and more than 300 meters deep– definitely big enough to be obvious, one would think.
But not if it’s buried. One such crater lurks 1.2 kilometers underground in New York’s Finger Lakes Region. Located near Syracuse and close to the Bear Swamp National Forest, the crater is completely invisible from the surface.
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.